The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-236-0340, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-236-0340 |
| Primary Part Number | 12556375 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Shank Diameter | 3.000 MILLIMETERS NOMINAL MM |
| Undercut Width | 11.300 MILLIMETERS NOMINAL MM |
| First End Taper Length | 0.236 MILLIMETERS NOMINAL MM |
| Undercut Diameter | 2.900 MILLIMETERS NOMINAL MM |
| First End Location | CHAMFERED END |
| Surface Treatment Document and Classification | DOD-P-16232,TY M MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | CHAMFERED |
| Hardness Rating | 850.0 ROCKWELL C NOMINAL OVERALL |
| Shank Length | 5.250 MILLIMETERS NOMINAL MM |
| Style Designator | UNDERCUT |
| Material Document and Classification | ASTM A29 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 30.0 DEGREES NOMINAL |
| Second End Relationship with First End | IDENTICAL |
| Features Provided | CASEHARDENED |
| Shoulder Diameter | 3.000 MILLIMETERS NOMINAL MM |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Material | STEEL COMP 4320 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12556375 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5315-01-236-0340 is a Pin,shoulder,headless, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-236-0340 has 1 manufacturer part number on file: 12556375 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-645-8735. Verify interchangeability with system specifications before substitution.
Key specifications for 12556375: Shank Diameter: 3.000 MILLIMETERS NOMINAL MM; Undercut Width: 11.300 MILLIMETERS NOMINAL MM; First End Taper Length: 0.236 MILLIMETERS NOMINAL MM; Undercut Diameter: 2.900 MILLIMETERS NOMINAL MM. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5315-01-236-0340 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.